Ray Clymer Exhibit Hall, 1000 5th Street, Wichita Falls, TX 76301. Texoma’s only Gun, Knife and Collectibles tradeshow. There is so much more than just guns and ammo at this show, jewelry, collectibles and more. Kids will enjoy the Free Daisy BB Gun Shooting Gallery inside the Exhibit Hall courtesy of the Northwest Texas Field & Stream Association. This event takes place inside the Ray Clymer Exhibit Hall at MPEC. Free, convenient parking for this event is on the south side of the building on 5th Street. Show hours are Saturday 9 a.m. to 6 p.m. and Sunday 10 a.m. to 5 p.m.